Question: What is a time of day that starts with the letter m.
Paraphrase: What's a time of day with letter m beginning.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q1260524 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 'm')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: morning, morning